Add PSDs to activity log

This adds entries to the activity log when PSDs are attached to patients
allowing a clear audit log.

Author: thomasleese

app/components/app_activity_log_component.rb

@@ -94,6 +94,7 @@ def all_events
       gillick_assessment_events,
       note_events,
       notify_events,
+      patient_specific_direction_events,
       pre_screening_events,
       session_events,
       triage_events,
@@ -278,6 +279,29 @@ def notify_events
     end
   end
 
+  def patient_specific_direction_events
+    patient_specific_directions.flat_map do |patient_specific_direction|
+      events = []
+
+      events << {
+        title: "PSD added",
+        at: patient_specific_direction.created_at,
+        by: patient_specific_direction.created_by,
+        programmes: programmes_for(patient_specific_direction)
+      }
+
+      if patient_specific_direction.invalidated?
+        events << {
+          title: "PSD invalidated",
+          at: patient_specific_direction.invalidated_at,
+          programmes: programmes_for(patient_specific_direction)
+        }
+      end
+
+      events
+    end
+  end
+
   def pre_screening_events
     pre_screenings.map do |pre_screening|
       {

spec/components/app_activity_log_component_spec.rb

@@ -256,6 +256,40 @@
                      programme: "HPV"
   end
 
+  describe "patient specific directions" do
+    before do
+      create(
+        :patient_specific_direction,
+        created_at: Time.zone.local(2024, 6, 1, 12),
+        created_by: user,
+        patient:,
+        programme: programmes.second,
+        team:
+      )
+
+      create(
+        :patient_specific_direction,
+        created_at: Time.zone.local(2024, 6, 1, 10),
+        invalidated_at: Time.zone.local(2024, 6, 1, 11),
+        created_by: user,
+        patient:,
+        programme: programmes.second,
+        team:
+      )
+    end
+
+    include_examples "card",
+                     title: "PSD added",
+                     date: "1 June 2024 at 12:00pm",
+                     by: "JOY, Nurse",
+                     programme: "Flu"
+
+    include_examples "card",
+                     title: "PSD invalidated",
+                     date: "1 June 2024 at 11:00am",
+                     programme: "Flu"
+  end
+
   describe "vaccination not administered" do
     before do
       create(